5 Helicenes by iterative radical cyclisations to arenes
Harrowven, D. C., Nunn, M. I. T. and Fenwick, D. R. (2002) 5 Helicenes by iterative radical cyclisations to arenes. Tetrahedron Letters, 43, (17), 3189-3191. (doi:10.1016/S0040-4039(02)00506-3).
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Original Publication URL: http://dx.doi.org/10.1016/S0040-4039(02)00506-3
Description/Abstract
The paper describes a synthesis of 1,2,3,12,13,14-hexamethoxy[5]helicene 1. The synthesis features two sp(2)-sp(2) bond forming reactions, each involving a 6-exo/endo-trig cyclisation of an aryl radical intermediate to an arene.
| Item Type: | Article |
|---|---|
| Related URLs: | |
| Keywords: | helicenes, radicals and radical reactions, cyclisation, polycyclic aromatic compoundsipso substitution-reactions, aryl migration, biaryls, carbon, cyclization, toddaquinoline, silicon, tin, methylenecycloalkanes, regiochemistry |
| Subjects: | Q Science Q Science > QD Chemistry |
| Divisions: | University Structure - Pre August 2011 > School of Chemistry |
| Item ID: | 19760 |
| Date Deposited: | 17 Feb 2006 |
| Last Modified: | 01 Jun 2011 01:49 |
| Contributors: | Harrowven, D. C. (Author) Nunn, M. I. T. (Author) Fenwick, D. R. (Author) |
| Date: | 22 April 2002 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/19760 |
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